861738284

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{12809}}^1$

素因数の和:12974

約数の個数: 36

約数和(自身を含む): 1669655400

約数和(自身を除く): 807917116

約数列:

[1, 2, 4, 11, 22, 44, 121, 139, 242, 278, 484, 556, 1529, 3058, 6116, 12809, 16819, 25618, 33638, 51236, 67276, 140899, 281798, 563596, 1549889, 1780451, 3099778, 3560902, 6199556, 7121804, 19584961, 39169922, 78339844, 215434571, 430869142, 861738284]

約数ペア:

[(1, 861738284), (2, 430869142), (4, 215434571), (11, 78339844), (22, 39169922), (44, 19584961), (121, 7121804), (139, 6199556), (242, 3560902), (278, 3099778), (484, 1780451), (556, 1549889), (1529, 563596), (3058, 281798), (6116, 140899), (12809, 67276), (16819, 51236), (25618, 33638)]